Multiple liver cysts are a common benign liver disease with many causes, and parasitic and congenital cysts are common in clinical practice. 1. Parasitic multiple liver cysts are formed by Echinococcus tapeworm infection, also known as hepatic echinococcosis. Tapeworm larvae invade the human body and can develop further in the liver, forming an encysted sac with multiple layers of walls, called hepatic cysts. Gradual growth of the cyst can compress the liver parenchyma, cause immune reactions, secondary infections, etc. When ruptured, it can cause severe allergic reactions and the formation of fistulas, which continuously impair liver function. 2. Multiple congenital hepatic cysts are common in middle-aged and old women. The size of the cysts varies, and they can be distributed in the whole liver or confined to a certain liver segment or lobe. The wall of the cyst contains epithelial cells with secretory function, and the cyst is filled with clear and transparent cystic fluid. Smaller cysts may remain asymptomatic for a long period of time, but when the cysts are combined with hemorrhage or infection, they may cause corresponding manifestations. In addition to the above reasons, multiple liver cysts may also be caused by trauma or inflammation, but they are relatively rare in clinical practice. It is recommended that patients go to the hospital as soon as possible to have their condition evaluated by a medical professional who can formulate the next step of treatment.